the expectations to disable plugin tests on arm64 are currently located only in the Mac-wk2 directory. they should be in the overall Mac directory instead
<rdar://problem/79035445>
Changed these expectations in https://trac.webkit.org/changeset/278629/webkit
fixed another expectation: https://trac.webkit.org/changeset/278666/webkit
skipped tiled-drawing/scrolling/non-fast-region/wheel-event-plugin.html in https://trac.webkit.org/changeset/278725/webkit
Skipped these tests in https://trac.webkit.org/changeset/278939/webkit : fast/frames/sandboxed-iframe-plugins.html http/tests/security/cross-origin-plugin-private-browsing-toggled-allowed.html http/tests/security/cross-origin-plugin-private-browsing-toggled.html http/tests/security/storage-blocking-loosened-private-browsing-plugin.html http/tests/security/storage-blocking-strengthened-private-browsing-plugin.html